From patchwork Mon Feb 21 08:48:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 544961 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B253C433F5 for ; Mon, 21 Feb 2022 09:03:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347084AbiBUJEL (ORCPT ); Mon, 21 Feb 2022 04:04:11 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:60612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346945AbiBUJDF (ORCPT ); Mon, 21 Feb 2022 04:03:05 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DECBB2CC9D; Mon, 21 Feb 2022 00:58:24 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E13B3B80EBB; Mon, 21 Feb 2022 08:58:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11C11C340E9; Mon, 21 Feb 2022 08:58:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645433884; bh=co1ESIAq3cpy1ptWdGP7AI0E3ae1fIIKMfpyKgppba4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HQdNTxuO7VBmKyFxvibSmz6oVCi8SSv8Iz0V40b6hcG3KyKkPNiG/wGDJ9/UOJPg/ aU9W3KNK5oaH5y7NefvxYisgu32hewHohuprYVZMBKj4u6UGrcZAfVwjmr8SQ0u/8j TLMqsgGgXZdU5W4OFUUnzy7X4vPDeC1tFEuS8ZYA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?utf-8?b?RMSBdmlzIE1vc8SBbnM=?= , David Sterba Subject: [PATCH 5.4 08/80] btrfs: send: in case of IO error log it Date: Mon, 21 Feb 2022 09:48:48 +0100 Message-Id: <20220221084915.866825159@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221084915.554151737@linuxfoundation.org> References: <20220221084915.554151737@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dāvis Mosāns commit 2e7be9db125a0bf940c5d65eb5c40d8700f738b5 upstream. Currently if we get IO error while doing send then we abort without logging information about which file caused issue. So log it to help with debugging. CC: stable@vger.kernel.org # 4.9+ Signed-off-by: Dāvis Mosāns Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/send.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -5005,6 +5005,10 @@ static ssize_t fill_read_buf(struct send lock_page(page); if (!PageUptodate(page)) { unlock_page(page); + btrfs_err(fs_info, + "send: IO error at offset %llu for inode %llu root %llu", + page_offset(page), sctx->cur_ino, + sctx->send_root->root_key.objectid); put_page(page); ret = -EIO; break;